chemical tests

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

what is the test to identify anion- carbonate co3 2-

Back (Answer)

dilute acid and then testing for carbon doxide effervesnce and co2 produced

Front (Question)

what is the test to identify anion- chloride CL-

Back (Answer)

acidify with dilute nitric acid, add aqueous silver nitrate white percipitate

Front (Question)

what is the test to identify anion- nitrate NO3 -

Back (Answer)

reduction with aluminium foil and aqueous sodium hydroxide and then test for ammonia gas ammonia produced

Front (Question)

what is the test to identify anion- SO4 2-

Back (Answer)

acidify with dilute nitric acid add aqueos barium nitrate white percipitate

Front (Question)

what is the test to identify anion- sulfite SO3 2-

Back (Answer)

add small volume, acidified aqueous potassium manganate goes from purple to colourless

Front (Question)

what is the test to identify anion- BROMIDE Br -

Back (Answer)

acidify with dilute nitric acid and then add aqueos silver nitrate turns cream percipitate

Front (Question)

what is the test to identify anion- iodide I -

Back (Answer)

acidify with dilute nitric acid and then add aquoes silver nitrate yellow percipitate

Front (Question)

what happens with aluminium with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

white ppt. soluble in excess, giving colourless solution white ppt, insoluble in excess

Front (Question)

what happens with ammonium with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

ammonia produced on warming nothing

#10

Front (Question)

what happens with calcium with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

white ppt, insoluble in excess no ppt, or very slight white ppt

#11

Front (Question)

what happens with chromium with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

green ppt, soluble in excess green ppt, insoluble in excess

#12

Front (Question)

what happens with copper with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

light blue ppt, isnoluble in excess light blue ppt, soluble in ecess, giving a dark blue solution

#13

Front (Question)

what happens with iron 2+ with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

green ppt, insoluble in excess ppt turns brown near surfce on standing green ppt, insoluble in excess ppt turns brown near surface on standing

#14

Front (Question)

what happens with iron 3+ with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

red-brown ppt, insoluble in excess red-brown ppt insoluble in excess

#15

Front (Question)

what happens with zinc with reaction with aqueous sodium hydroxide aquoes ammonia

Back (Answer)

white ppt, soluble in excess giving colourless solution white ppt, soluble in excess giving a colourless solution

#16

Front (Question)

describe colour of flame tests for metal ions: lithium

Back (Answer)

red

#17

Front (Question)

describe colour of flame tests for metal ions: sodium

Back (Answer)

yellow

#18

Front (Question)

describe colour of flame tests for metal ions: potassium

Back (Answer)

lilac

#19

Front (Question)

describe colour of flame tests for metal ions: calcium

Back (Answer)

orange-red

#20

Front (Question)

describe colour of flame tests for metal ions: barium

Back (Answer)

light green

#21

Front (Question)

describe colour of flame tests for metal ions: copper

Back (Answer)

blue-green

#22

Front (Question)

describe test to identify gas: carbon dioxide

Back (Answer)

turns limewater milky

#23

Front (Question)

describe test to identify gas: ammonia

Back (Answer)

turns damp red litmus paper blue

#24

Front (Question)

describe test to identify gas: chlorine

Back (Answer)

bleaches damp litmus paper